Marquise|Natural|GIA

0.50ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 7556995748

Certificate GIA 7556995748

Diamond specifications and retailer prices

From £430 GBP
As of November 6, 2026
Save £752 GBP (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,662 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7556995748. Listed at 20 retailers as of November 4, 2026, with a 175% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.50
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556995748
Dimensions8.80 × 4.12 × 2.39 mm
L/W Ratio2.14
Key to symbols
Twinning Wisp
Top View
8.80 mm4.12 mm0.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7556995748
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,609 GBP|Low: £419 GBP|High: £1,662 GBP|Avg: £698 GBP|-3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 10£430 GBP
Retailer 9£474 GBP
Retailer 8£513 GBP
Retailer 3£530 GBP
Retailer 12£533 GBP
Retailer 4£538 GBP
Retailer 13£592 GBP
Retailer 11£611 GBP
Retailer 2£627 GBP
Retailer 5£685 GBP
Retailer 7£726 GBP
Retailer 6£1,183 GBP
NZ Jewellers£1,609 GBP

42 data points across 13 retailers

20 retailers£430 GBP to £1,183 GBP

A
Cheapest Retailer
-
£430 GBP
A
Retailer 2
-
£474 GBP
View
Final sale: no returns
Retailer 3
-
£513 GBP
View
Price last confirmed 17 days ago
Retailer 4
-
£513 GBP
View
Price last confirmed 21 days ago
Retailer 5
-
£530 GBP
View
Price last confirmed 47 days ago
Retailer 6
-
£530 GBP
View
Price last confirmed 44 days ago
Retailer 7
-
£533 GBP
View
Price last confirmed 21 days ago
Retailer 8
-
£533 GBP
View
Price last confirmed 10 days ago
Retailer 9
-
£538 GBP
View
Price last confirmed 19 days ago
Retailer 10
-
£592 GBP
View
Price last confirmed 16 days ago
Retailer 11
-
£611 GBP
View
Price last confirmed 38 days ago
Retailer 12
-
£611 GBP
View
Price last confirmed 45 days ago
B+
Retailer 13
-
£611 GBP
View
B+
Retailer 14
-
£627 GBP
View
Retailer 15
-
£685 GBP
View
Price last confirmed 41 days ago
B+
Retailer 16
-
£726 GBP
View
B
Retailer 17
-
£1,183 GBP
View
Retailer 18
-
£1,609 GBP
View
Price last confirmed 16 days ago
Retailer 19
-
£1,662 GBP
View
Price under review
Most Expensive
NZ Jewellers
ea7ef394-51ce-47bc-8509-59373592b216 · Sep 28
£1,662 GBP
$2,224 USD
View
Price under review
19 more retailers have this diamond
Prices start from £430 GBPSave up to £752 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.50ct Marquise
£430 GBP